upgrade wro4j
diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index f440e2b..33da1fc 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -6,13 +6,12 @@
 
 
 dependencies {
-    compile ("ro.isdc.wro4j:wro4j-extensions:1.7.7"){
+    compile ("ro.isdc.wro4j:wro4j-extensions:1.8.0"){
       exclude group: 'org.jruby'
       exclude module: 'spring-web'
       exclude module: 'closure-compiler'
       exclude module: 'gmaven-runtime-1.7'
       exclude module: 'less4j'
     }
-    compile "org.webjars:coffee-script:1.10.0"
     gradleApi()
 }